Founded during the glory days of the original Star League on the Free Worlds League world of Tematagi, like many corporations of the day, Nimakachi's influences spanned across entire breadth of the League. The Draconis Combine was the company's largest "foreign" market and in 2602, Nimakachi purchased the bankrupt Sendai mining complex on Lapida II, using the complex's mining tunnels as factory spaces. Nicknamed "Tematagi Minor" by many in the company, the subterranean facility proved to be a significant deterrent against raiding, military strategist instead suggesting any smart raiders would focus on hijacking the DropShips shipping the completed products off-world. [1][2]

The business grew to gather contracts with both the DCMS and the Star League Defense Forces. The company produced limited quantities of advanced DropShip designs, such as the Model 96 Elephant Class Tug/Assault DropShip.[3]

After the Star League collapsed, Nimakachi would enter the realm of BattleMech manufacture during the early decades of the Succession Wars era, charged by the Free World League Parliament to produce the Spider and Vulcan, two SLDF designs the FWLM had captured from the collapsing Terran Hegemony, in return for the exclusive rights to their technical data. The company would later initiate production of the Spider at Lapida II also, as well as beginning manufacturing the well regarded Warhammer. However like many companies, by the Third Succession War the technological decline had begun to effect Nimakachi's output, with the poor condition of the Lapida II plant slowing production to a trickle and the company forced to suspend production of the Warhammer on the eve of the Fourth Succession War.[1]

Nimakachi's fortunes improved dramatically with the Clan Invasion, giving the company access to recovered LosTech and massively increased demand from the desperate DCMS, the output of both League and Combine Spider lines almost entirely going to the rebuilding Combine military. Recognizing that merely increasing production of its existing designs would not ensure future orders when the fighting slowed down, Nimakachi also looked to developing entirely new designs, first with the Spider based Venom and later the four-legged Bishamon.

The company expanded its DropShip production at its Dalton orbital yards to include a civilian cargo version of the Condor transport, named the Stork.[1]

While the underground nature of the Lapida II plant protected it from Word of Blake assault, the Tematagi factory was one of many victims of the Jihad, destroyed by the Order of the Faithful pirate band in 3069.[4][5] With the Tematagi falling within the borders of the Rim Commonality, that nation's desperate need for a homegrown manufacturer of military hardware led them to spend considerable effort to woo the company back, ultimately successful with additional funding from the Duchy of Oriente in return for a fixed percentage of the rebuilt factory's output. By 3085 the partially rebuilt plant was producing Spiders and Fleas, with Nimakachi making plans to produce Vulcans and Scorpions when additional lines were rebuilt. [6]

After the Jihad ended, the Stork class DropShip became one of Nimakachi's best sellers, with a complete production line at the Dalton yard.[7]

The Lapida II factories are located underground to protect the workers and the machinery from the world's tainted atmosphere.[12] In 3079 these factories were operating at approximately 80% of their pre-Jihad output.[13]